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Modelling the scrape-off layer of a stellarator is challenging due to thecomplex magnetic 3D geometry. The here presented study analyses simulations ofthe scrape-off layer (SOL) of the stellarator Wendelstein 7-X (W7-X) using theEMC3-EIRENE code for the magnetic standard configuration. Comparing withexperimental observations, the transport model is validated. Based on theexperimentally observed strike line width, the anomalous transportcoefficients, used as input to the code are determined to around$0.2\,$m$^2/$s. This is however in disagreement with upstream measurements,where such small cross-field transport leads to temperatures higher thanmeasured experimentally.

Parametrisation of target heat flux distribution and study of transport parameters for boundary modelling in W7-X